Welcome To the Hoffman Amplifiers ForumJanuary 23, 2026, 06:00:25 pm | ||
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10 Replies
4472 Views |
by Carlsoti |
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3 Replies
2680 Views |
by HotBluePlates |
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5879 operating conditions question
Started by dwinstonwood |
15 Replies
5078 Views |
by dwinstonwood |
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1 Replies
2233 Views |
by Balticnoiseforge |
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Power tube grid bias and Tremolo
Started by J Rindt |
4 Replies
2674 Views |
by J Rindt |
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Biasing an Ampeg SVT 3 Pro
Started by dpm309 |
4 Replies
3740 Views |
by dpm309 |
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2 Replies
2315 Views |
by kagliostro |
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Where / How to ground series heaters
Started by Jennings |
10 Replies
3897 Views |
by Jennings |
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Half power switch in a fender 40w or AC30
Started by TonyM |
11 Replies
4337 Views |
by Latole |
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6G6 Bassman-ish Bias Issue
Started by Skeeter_pdx |
2 Replies
2365 Views |
by Dave |
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Heeeeelp with huuuuum
Started by isaac_teller |
28 Replies
7748 Views |
by Latole |
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7 Replies
3299 Views |
by kagliostro |
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Gibson Thor mod help
Started by Natelc1979 |
3 Replies
2609 Views |
by idsnowdog |
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8 Replies
3659 Views |
by nandrewjackson |
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3 tubes push pull
Started by Colas LeGrippa |
11 Replies
3951 Views |
by pdf64 |
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1 Replies
2291 Views |
by Balticnoiseforge |
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Musicman RD 100 2100 Cal Chassis
Started by plexi50 |
16 Replies
5048 Views |
by plexi50 |
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2 Replies
2601 Views |
by Latole |
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6AU6 tremolo in Silvertone 1472
Started by smackoj |
6 Replies
2782 Views |
by smackoj |
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5 Replies
3347 Views |
by Latole |
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12 Replies
3324 Views |
by stratomaster |
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Is this an EZ35 tube?
Started by kasperbergholt |
6 Replies
3054 Views |
by mresistor |
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Can Anyone ID This Amp?
Started by vintasonic |
23 Replies
5889 Views |
by mresistor |
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Reverb makes a fog horn
Started by G._Hoffman |
16 Replies
4612 Views |
by tubeswell |
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Steve Luckey's dual lite U.S 2 x 6l6 build.
Started by TonyM |
1 Replies
2203 Views |
by sluckey |
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16 Replies
4311 Views |
by sluckey |
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9 Replies
3456 Views |
by pdf64 |
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7 Replies
3253 Views |
by j-b-c |
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Univox ; fuse issue
Started by Latole |
1 Replies
2157 Views |
by Latole |
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Schematic for Vox AC15CC1 amplifier
Started by punkykatt |
6 Replies
8566 Views |
by Latole |
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2-el84 cathode biased amp.
Started by MarkT |
4 Replies
2479 Views |
by sluckey |
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6J7 filmosound conversion issues
Started by filmdiary |
0 Replies
2179 Views |
by filmdiary |
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GU50 question
Started by Leevi |
8 Replies
3189 Views |
by danhei |
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Bias tremolo in cathode biased amp
Started by roseblood11 |
26 Replies
7989 Views |
by Bieworm |
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4M volume pot
Started by Colas LeGrippa |
1 Replies
1823 Views |
by Latole |
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70’s Twin with conductive board
Started by Mark |
15 Replies
4323 Views |
by Mark |
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Fiberboard Conductive?
Started by jeff |
35 Replies
18000 Views |
by Mark |
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Plate bypass capacitor location
Started by Zenabi |
12 Replies
4479 Views |
by Zenabi |
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9 Replies
4812 Views |
by sluckey |
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26 Replies
8125 Views |
by Latole |
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“Jtm 45” help
Started by Snake5150 |
14 Replies
4018 Views |
by Dave |
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16 Replies
6066 Views |
by Duncan |
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8 Replies
3342 Views |
by sluckey |
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3 Replies
2157 Views |
by sluckey |
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100 hz noise Selmer Treble N'Bass Mk2
Started by Nikolaj2121 |
1 Replies
1851 Views |
by EL34 |
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Troubleshooting 6G15 Build
Started by moosetone |
7 Replies
3067 Views |
by moosetone |
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Magnatone 213 No Vibrato
Started by plexi50 |
5 Replies
2739 Views |
by plexi50 |
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1 Replies
2121 Views |
by Latole |
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Screen tap on Transformer?
Started by G._Hoffman |
3 Replies
2313 Views |
by G._Hoffman |
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5 Replies
2848 Views |
by SteveInMN |
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